init ProjectGraph with git concepts

mindmap/ProjectGraph.tex

+% vim: foldmethod=indent foldlevel=99
+\documentclass[tikz, border=3mm]{standalone}
+
+\usepackage{tikz}
+\usetikzlibrary{backgrounds}
+\usetikzlibrary{positioning}
+\usetikzlibrary{shapes}
+\usetikzlibrary{arrows}
+
+\definecolor{rootcolor}{named}{black}
+
+\begin{document}
+
+\begin{tikzpicture}
+	[ example/.style=
+		{ rectangle split
+		, rectangle split parts=2
+		, text width=4cm
+		, align=left
+		, draw=black
+		, fill=orange!10
+		, every one node part/.append style=
+			{ font=\small\sffamily
+			}
+		, every two node part/.style=
+			{ font=\tiny\sffamily
+			}
+		}
+	, concept/.style=
+		{ circle
+		, fill=black!40
+		, draw=none, thin
+		, minimum size=3cm
+		, node distance=2cm
+		}
+	, neutral/.append style=
+		{ fill=green!40
+		}
+	, vcs/.append style=
+		{ fill=purple!40
+		}
+	, git/.append style=
+		{ fill=orange!40
+		}
+	, wf/.append style=
+		{ fill=red!40
+		}
+	]
+
+	\node[concept, vcs] (vcs) {
+		SCM / VCS
+	};
+	\node[concept, vcs, below left=of vcs, xshift= 2cm] (integrity) {
+		Integrität
+	};
+	\node[concept, vcs, below left=of vcs, xshift=-2cm] (nachvollziehbarkeit) {
+		Nachvollziehbarkeit
+	};
+	\node[concept, vcs, below left=of vcs, xshift=-6cm] (resetability) {
+		Wiederherstellbarkeit
+	};
+	\node[concept, vcs, below left=of vcs, xshift= 6cm] (collaboration) {
+		Kollaboration
+	};
+	\node[example, above left=of vcs] (einstieg) {
+		\nodepart{one} Bsp.: Dokument Bearbeiten
+		\nodepart{two}
+			Alice bearbeitet Dokument und erstellt Sicherungs
+			Kopien um Änderungen zu revidieren.
+			Zu viele Dateien, daher in unterverzeichnis,
+			um platz zu sparenr noch eben zippen.
+			Witz: Mag absurd klingen, aber laut StackOverflow
+			umfragen operieren so 8\% der Befragten!
+	};
+	{
+		\node[concept, git, right=10cm of vcs] (git) {
+			Git Projekt
+		};
+	\node[example, above left=of git] (resolution) {
+		\nodepart{one} Auflöung: Dokument Bearbeiten
+		\nodepart{two} Git arbeitet fast genau so!
+	};
+		\node[concept, neutral, below right=of vcs, yshift=-6cm] (file) {
+			Datei
+		};
+		\node[concept, neutral, below left=of file] (dirnode) {
+			Verzeichnis
+		};
+		\node[concept, git, below left=of git] (workingtree) {
+			Arbeitsverzeichnis
+		};
+		\node[concept, git, below=of git] (repository) {
+			Repository
+		};
+		\node[concept, git, below right=of repository, yshift=-2cm] (reference) {
+			Referenz
+		};
+		{
+			\node[concept, git, below left=of repository, yshift=-2cm] (object) {
+				object
+			};
+			\node[concept, git, below=of repository] (hash) {
+				Hash
+			};
+			\node[concept, git, below right=of object] (commit) {
+				commit
+			};
+			\node[concept, git, right=of commit] (parent) {
+				Vorgänger
+			};
+			\node[concept, git, right=of parent] (history) {
+				History
+			};
+			\node[concept, neutral, below=of history] (dag) {
+				DAG
+			};
+			\node[concept, git, below left=of object] (blob) {
+				blob
+			};
+			\node[concept, git, below=of object] (tree) {
+				tree
+			};
+		}
+		\node[concept, git, below right=of git] (index) {
+			Index
+		};
+	}
+	\node[concept, wf, right=12cm of git] (workflows) {
+		Workflows
+	};
+	\node[example, above left=of workflows] (aufgriff) {
+		\nodepart{one} Verwenden: Dokument Bearbeiten
+		\nodepart{two} Beispiel aufgreifen für Demos
+	};
+	\node[concept, right=6cm of workflows] (github) {
+		GitHub
+	};
+	\node[example, above left=of github] (erweiterung) {
+		\nodepart{one} Erweitern: Dokument Bearbeiten
+		\nodepart{two} Nun das beispiel um kollaboration mit Bob erweitern
+	};
+
+
+	\draw[->, line width=1.2pt, nodes={midway}]
+		(vcs)         edge node {} (integrity)
+		(vcs)         edge[bend left=30] node {} (collaboration)
+		(vcs)         edge[bend right=30] node {} (resetability)
+		(vcs)         edge[bend right=30] node {} (nachvollziehbarkeit)
+		(vcs)         edge[bend left=60] node {} (file)
+	;
+	% UML like aggregation, ie. directory aggregates files
+	\draw[-open diamond, line width=1.2pt, nodes={midway}]
+		(repository)  edge node {} (object)
+		(repository)  edge node {} (reference)
+		(commit)      edge[bend left=15] node {} (parent)
+		(commit)      edge node {} (tree)
+		(dirnode)     edge node {} (file)
+		(dirnode)     edge[loop left] node {} (dirnode)
+	;
+	% UML like inheritance, ie. commit is instance of blob
+	\draw[->, line width=1.2pt, nodes={midway}]
+		(git)         edge node {} (workingtree)
+		(git)         edge node {} (repository)
+		(git)         edge node {} (index)
+		(reference)   edge node {} (hash)
+		(hash)        edge node {} (object)
+		(workingtree) edge[bend right=30] node {} (tree)
+		(dag)         edge node {} (history)
+		(blob)        edge node {} (file)
+		(tree)        edge[bend left=45] node {} (dirnode)
+		(parent)      edge[bend left=15] node {} (commit)
+		(parent)      edge node {} (dag)
+	;
+
+	\draw[-open triangle 90,line width=1.2pt, nodes={midway}]
+		(object)      edge[] node {} (commit)
+		(object)      edge[] node {} (blob)
+		(object)      edge[] node {} (tree)
+	;
+
+
+	\draw[->, line width=4pt, draw=black!90, nodes={midway}]
+		(vcs)         edge (git)
+		(git)         edge (workflows)
+		(workflows)   edge (github)
+	;
+
+	\draw[->, dashed, line width=1.2pt, nodes={midway}]
+		(einstieg)    edge (vcs)
+		(resolution)  edge (git)
+		(aufgriff)    edge (workflows)
+		(erweiterung) edge (github)
+	;
+	\begin{pgfonlayer}{background}
+		\draw[->, draw=black!30, line width=4pt, nodes={midway}]
+			(integrity)   edge node {} (hash)
+			(integrity)   edge node {} (parent)
+			(vcs)   edge node {} (history)
+		;
+	\end{pgfonlayer}
+\end{tikzpicture}
+\end{document}